package com.yxy.blog.web.admin;

import com.yxy.blog.po.User;
import com.yxy.blog.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/admin")
public class LoginController {
    @Autowired
    private UserService userService;
    @GetMapping
    public String LoginPage(){
        return"admin/login";
    }
    @PostMapping("login")
    public String login(@RequestParam String username,
                        @RequestParam String password,
                        HttpSession session,
                        RedirectAttributes attributes){
            User user = userService.checkUser(username,password);
            if(user != null){
                user.setPassword(null);
                session.setAttribute("user",user);
                return "admin/index";
            }else{
                attributes.addFlashAttribute("message","用户名或密码错误");
                return "redirect:/admin";
            }
    }
    @GetMapping("/logout")
    public String logout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/admin";

    }
}
